Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Multifocus image fusion method for image acquisition of 3D objects

Not Accessible

Your library or personal account may give you access

Abstract

We propose a multifocus image fusion method for achieving all-in-focus images of three-dimensional objects based on the combination of transform domain and spatial domain techniques. First, the source images are decomposed into low-frequency and high-frequency components by the discrete wavelet transform technique. Next, a correlation coefficient is employed to obtain the maximum similarity among low-frequency components. Then, in order not to interrupt the correlations among decomposition layers, the comparison among high-frequency components is executed by transforming them to spatial domain. In addition, a sliding window is used to evaluate the local saliency of the pixels more accurately. Finally, the fused image is synthesized from source images and the saliency map. The variance, entropy, spatial frequency, mutual information, edge intensity, and similarity measure (QAB/F) are used as metrics to evaluate the sharpness of the fused image. Experimental results demonstrate that the fusion performance of the proposed method is enhanced compared with that of the other widely used techniques. In the application of three-dimensional surface optical detection, the proposed method is suitable for obtaining the complete image at varying distances in the same scene, so as to prepare for subsequent defect identification.

© 2018 Optical Society of America

Full Article  |  PDF Article
More Like This
Multifocus color image sequence fusion based on mean shift segmentation

Xingxing Hao, Hui Zhao, and Jing Liu
Appl. Opt. 54(30) 8982-8989 (2015)

Multifocus image fusion using superpixel segmentation and superpixel-based mean filtering

Junwei Duan, Long Chen, and C. L. Philip Chen
Appl. Opt. 55(36) 10352-10362 (2016)

Multifocus color image fusion based on quaternion curvelet transform

Liqiang Guo, Ming Dai, and Ming Zhu
Opt. Express 20(17) 18846-18860 (2012)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (11)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (17)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved